https://vk.com/rtrg?p=VK-RTRG-520044-9w6bu" style="position:fixed; left:-999px;" alt=""/>

SVEN BF-31

SVEN BF-31

Short product description:

  • Built-in dual-channel non-capacitive amplifier
  • ...
  • Built-in transformer power supply with a powerful surge prot...
  • Hypersensitive silk tweeters
All features
Similar products
SVEN SB-G1450
SVEN SB-G1400
SVEN MC-50
SVEN MC-30
SVEN MC-20
SVEN MC-10
SVEN MC-5
SVEN SPS-830
SVEN SPS-730
SVEN SPS-725
SVEN SPS-705
SVEN SPS-702
SVEN SPS-621
SVEN SPS-619 GOLD
SVEN SPS-619
SVEN SPS-614
SVEN SPS-612
SVEN SPS-606
SVEN SPS-604
SVEN SPS-603
SVEN SPS-585
SVEN SPS-580
SVEN SPS-576
SVEN SPS-575
SVEN SPS-565
SVEN SPS-535
SVEN SPS-517
SVEN SPS-512
SVEN SPS-509
SVEN 470
SVEN 450
SVEN 445
SVEN 431
SVEN 422
SVEN 370
SVEN 357
SVEN 340
SVEN 335
SVEN 325
SVEN 320
SVEN 318
SVEN 315
SVEN 312
SVEN 300
SVEN 255
SVEN 248
SVEN 230
SVEN 190
SVEN 150
SVEN 135
SVEN 130
SVEN 120
  • FEATURES
  • SPECIFICATIONS
  • DESCRIPTION
  • UNBOXING VIDEO
  • SUPPORT

    • Built-in dual-channel non-capacitive amplifier
    • Built-in transformer power supply with a powerful surge protector and improved temperature control
    • Hypersensitive silk tweeters
    • Hi-Fi jacks
    • Power LED
    • Stereo input for connection to various audio devices
    • Active subwoofer output
    • Front-mounted phase inverter
    • Volume control and timbre control
    • Magnetic shielding
    • MDF case of speakers   

Output power (RMS), W 50 (2 × 25)
Frequency range, Hz 35 – 20,000
Tweeter diameter, mm Ø 25
Woofer diameter, mm 2 × Ø 100
Tweeter adjustment, dB ± 10
Bass adjustment, dB ± 10
Magnetic shielding yes
Channel separation, dB ≥ 45
Power supply ~220 V / 50 Hz
Case material wood (MDF)
Dimensions (W × H × D), mm 150 × 460 × 232
Weight, kg 11
Color beech, black, silver, oak
Life time 5 years

Other items

Soundbar for TV

Wireless mouse with adjustable cursor speed

Multifunctional portable karaoke speaker system with backlight

Portable speaker with backlight

Wireless gaming mouse

Wired set: keyboard + mouse

Compact speakers with rear volume control

Wired chiclet keyboard

Wireless dynamic microphone

Wireless dynamic microphone

Party speaker system with Bluetooth, karaoke and FM radio

Wireless set: keyboard + mouse

News

09/18/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

SVEN BF-31 two-way multimedia stereo system is an excellent choice for connoisseurs of high quality stereo sound. The system provides clear sound with intensive bass, high volume level, which is achieved due to good power specifications. The MSS has a subwoofer output.

Other items

UPS battery 12V 9Ah

RGB backlit wired keyboard

New

Party speaker system with Bluetooth, karaoke and FM radio

Web camera Full HD resolution

UPS battery 12V 7,2Ah

Wireless set: scissors keyboard + mouse

Multifunctional speaker system with Bluetooth, USB/SD player, FM radio, display, remote control

USB 2.0 Am to Bm cable

Portable wireless radio, USB/microSD player

USB powered speakers with side panel volume control

Wireless chiclet keyboard

Windows/Android/PS3 compatible wired gamepad

News

09/18/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

Other items

Acoustic system with the highest sound quality. Bluetooth, USB, microSD, FM, display, remote control

Wired multimedia keyboard

Programmable RGB backlit gaming keyboard.

Wired in-ear earbuds

Wired keyboard

Wired keyboard

Wireless keyboard

New

Party speaker system with Bluetooth, karaoke and FM radio

Relay automatic voltage regulator, 320 W, 4 sockets

Windows/PS3/PS4 compatible wired gamepad

Fabric mouse pad with rubber backing

Windows/PS3 compatible gaming steering wheel with shift lever

News

09/18/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

Other items

USB powered speakers with side panel volume control

New

Relay automatic voltage regulator, 200 W, 2 sockets

USB powered speakers with cabled volume control

Desktop wired microphone

Multifunctional speaker system with Bluetooth, USB/SD player, FM radio, display, remote control

6 sockets surge protector, 2300 W

TWS in-ear headset

New

Wired dynamic microphone in a plastic body

Windows/PS3/PS4 compatible wired gamepad

Wired chiclet keyboard

USB 2.0 Am to microUSB cable

Soundbar for TV

News

09/18/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>